dull-minded vs one fry short of a Happy Meal

dull-minded

adj

  • Dim-witted, stupid, unintelligent 

one fry short of a Happy Meal

adj

  • stupid, retarded, slow 

  • mad, deranged, insane 

How often have the words dull-minded and one fry short of a Happy Meal occurred in a corpus of books? (source: Google Ngram Viewer )